A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 6620-01-185-4040
NSN 6645-00-679-8203
NSN 5915-01-616-2718
NSN 5985-00-636-8689
NSN 6135-01-545-6582
NSN 5855-01-433-2220
NSN 6645-01-567-8282
NSN 6320-01-583-6809
NSN 5855-01-312-5160
NSN 6145-01-159-8628
NSN 6105-01-257-1870
NSN 6150-00-606-8920